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1. During a snowball fight, a 0.15-kilogram snowball traveling at a speed of 11.0 m/s hits a student in the back of the head. If the contact time is 0.13 s, what is the magnitude of the average force on the student’s head?

Question

1. During a snowball fight, a 0.15-kilogram snowball traveling at a speed of 11.0 m/s hits a student in the back of the head. If the contact time is 0.13 s, what is the magnitude of the average force on the student’s head?

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Step 1

From the definition of impulse, the average force is,

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Step 2

Substituting the...

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